| 提交 | 用户 | 时间 | ||
| 7fd198 | 1 | package com.iailab.module.model.mcs.pre.service.impl; |
| 潘 | 2 | |
| 3 | import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; | |
| 4 | import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; | |
| 5 | import com.iailab.module.model.mcs.pre.dao.SequenceNumDao; | |
| 6 | import com.iailab.module.model.mcs.pre.entity.SequenceNumEntity; | |
| 7 | import com.iailab.module.model.mcs.pre.service.SequenceNumService; | |
| 8 | import org.springframework.stereotype.Service; | |
| 9 | ||
| 10 | /** | |
| 11 | * @author PanZhibao | |
| 12 | * @date 2021年05月06日 13:20 | |
| 13 | */ | |
| 14 | @Service("sequenceNumService") | |
| 15 | public class SequenceNumServiceImpl extends ServiceImpl<SequenceNumDao, SequenceNumEntity> implements SequenceNumService { | |
| 16 | ||
| 17 | @Override | |
| 18 | public synchronized SequenceNumEntity getAndIncreaseByCode (String code) { | |
| 19 | QueryWrapper queryWrapper = new QueryWrapper<SequenceNumEntity>(); | |
| 20 | queryWrapper.eq("code", code); | |
| 21 | SequenceNumEntity sequenceNumEntity = this.getOne(queryWrapper); | |
| 22 | ||
| 23 | SequenceNumEntity sequenceNumUpdate = new SequenceNumEntity(); | |
| 24 | sequenceNumUpdate.setId(sequenceNumEntity.getId()); | |
| 25 | sequenceNumUpdate.setSequenceNum(sequenceNumEntity.getSequenceNum() + 1); | |
| 26 | this.updateById(sequenceNumUpdate); | |
| 27 | return sequenceNumEntity; | |
| 28 | } | |
| 29 | } | |
